diff --git a/src/vehicle_cmd.cpp b/src/vehicle_cmd.cpp
--- a/src/vehicle_cmd.cpp
+++ b/src/vehicle_cmd.cpp
@@ -751,7 +751,7 @@ static void CloneVehicleName(const Vehic
 
 		/* Check the name is unique. */
 		if (IsUniqueVehicleName(buf)) {
-			dst->name = strdup(buf);
+			dst->name = stredup(buf);
 			break;
 		}
 	}
@@ -1029,7 +1029,7 @@ CommandCost CmdRenameVehicle(TileIndex t
 
 	if (flags & DC_EXEC) {
 		free(v->name);
-		v->name = reset ? NULL : strdup(text);
+		v->name = reset ? NULL : stredup(text);
 		InvalidateWindowClassesData(GetWindowClassForVehicleType(v->type), 1);
 		MarkWholeScreenDirty();
 	}